Surface X-ray scattering of stepped surfaces of platinum in an electrochemical environment : Pt(331) = 3(111)-(111) and Pt(511) = 3(100)-(111)

Real surface structures of the high-index planes of Pt with three atomic rows of terraces (Pt(331) = 3(111)-(111) and Pt(511) = 3(100)-(111)) have been determined in 0.1 M HClO(4) at 0.1 and 0.5 V(RHE) with the use of surface X-ray scattering (SXS). The surfaces with two atomic rows of terraces, Pt(...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 27(2011), 7 vom: 05. Apr., Seite 4236-42
1. Verfasser: Hoshi, Nagahiro (VerfasserIn)
Weitere Verfasser: Nakamura, Masashi, Sakata, Osami, Nakahara, Akira, Naito, Keita, Ogata, Hiroyuki
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Real surface structures of the high-index planes of Pt with three atomic rows of terraces (Pt(331) = 3(111)-(111) and Pt(511) = 3(100)-(111)) have been determined in 0.1 M HClO(4) at 0.1 and 0.5 V(RHE) with the use of surface X-ray scattering (SXS). The surfaces with two atomic rows of terraces, Pt(110) = 2(111)-(111) and Pt(311) = 2(100)-(111) = 2(111)-(100), are reconstructed to a (1 × 2) structure according to previous studies. However, the surfaces with three atomic rows of terraces have pseudo-(1 × 1) structures. The interlayer spacing between the first and the second layers, d(12), is expanded 13% on Pt(331) compared to that of the bulk, whereas it is contracted 37% on Pt(511). The surface structures do not depend on the applied potential on either surface 
650 4 |a Journal Article 
700 1 |a Nakamura, Masashi  |e verfasserin  |4 aut 
700 1 |a Sakata, Osami  |e verfasserin  |4 aut 
700 1 |a Nakahara, Akira  |e verfasserin  |4 aut 
700 1 |a Naito, Keita  |e verfasserin  |4 aut 
700 1 |a Ogata, Hiroyuki  |e verfasserin  |4 aut 
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